[FFmpeg-trac] #3516(undetermined:new): mjpeg: wrong colors (CMYK with subsampling)

[FFmpeg]

#3516: mjpeg: wrong colors (CMYK with subsampling)
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 attached file decodes with wrong colors

 {{{
 C:\>ffmpeg3 -i YCbCrK.jpg out.bmp
 ffmpeg version 2.2.git-0f714ab Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Mar 31 2014 22:26:54 with gcc 4.6.2 (GCC)
   configuration: --disable-ffprobe --disable-pthreads --enable-gpl
   libavutil      52. 70.100 / 52. 70.100
   libavcodec     55. 55.106 / 55. 55.106
   libavformat    55. 36.100 / 55. 36.100
   libavdevice    55. 11.100 / 55. 11.100
   libavfilter     4.  3.100 /  4.  3.100
   libswscale      2.  5.102 /  2.  5.102
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 [mjpeg @ 01d76580] Warning: not compiled with thread support, using thread
 emula
 tion
 Input #0, image2, from 'YCbCrK.jpg':
   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: mjpeg, yuva420p(pc), 1024x768, 25 tbr, 25 tbn, 25
 tbc
 [bmp @ 01d78c00] Warning: not compiled with thread support, using thread
 emulati
 on
 [mjpeg @ 01d76580] Warning: not compiled with thread support, using thread
 emula
 tion
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf55.36.100
     Stream #0:0: Video: bmp, bgra, 1024x768, q=2-31, 200 kb/s, 90k tbn, 25
 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (mjpeg -> bmp)
 Press [q] to stop, [?] for help
 frame=    1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
 video:3072kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing
 overhead: 586396112781312.000000%
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3516>
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